He was born and raised in South Hamgyong.

He was born and raised in North Hamgyong.

The Yata no Kagami is a sacred mirror that appears in Japanese mythology.

He monitored the enemy's movements using a periscope.

He wrote a message using mirror writing.

There is a state-of-the-art electron microscope in my laboratory.

In spring, the Chinese sour cherry blossoms beautifully.

I saw the Prunus serrulata flowers blooming in the park.

I am learning Simplified Chinese.

I have started learning Traditional Chinese.